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Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2024, 07:36

General

  • Target

    2024-10-12_2dd4fee82e71b47dcd3253071ca9e8c1_cryptolocker.exe

  • Size

    87KB

  • MD5

    2dd4fee82e71b47dcd3253071ca9e8c1

  • SHA1

    dee26edcdf3f3cc32c56754e47732ad874ef976d

  • SHA256

    86300370e82c37a1421a93def0ba432d13f939316500f77404399b64412c0ba8

  • SHA512

    6240de9c9a405a5cb77f7f26a5ade9e4aa807e783c304d337484bf474f5eaa0fd28b5b2fb9c5131c56a19bd1b84c6d2c60057420c4f880038ca19afc51f40f64

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMrCsf:TCjsIOtEvwDpj5HE/OUHnSMD

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-12_2dd4fee82e71b47dcd3253071ca9e8c1_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-12_2dd4fee82e71b47dcd3253071ca9e8c1_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3704
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:3016

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\misid.exe

    Filesize

    87KB

    MD5

    420ad752a26f802f3ba49b431353f727

    SHA1

    ec806d20e38ef368e7aee361305b81bcb8f339ff

    SHA256

    2e3399e2d33e614f0faa9a394a84d3c3aeed85042d83b0ffddfa26724fa693ae

    SHA512

    e2981524a83914a0409ecc0b61cf9fa27d07be51fad56d38c942e36cf3d8bf4e49c27b89bf07970f53b0f62eb77b1efb4d9482ecc9c27ce0f4095fb7f45e4342

  • C:\Users\Admin\AppData\Local\Temp\misids.exe

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3016-19-0x0000000002060000-0x0000000002066000-memory.dmp

    Filesize

    24KB

  • memory/3016-25-0x00000000021D0000-0x00000000021D6000-memory.dmp

    Filesize

    24KB

  • memory/3016-46-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/3704-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/3704-1-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/3704-2-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/3704-4-0x0000000000750000-0x0000000000756000-memory.dmp

    Filesize

    24KB

  • memory/3704-16-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB